Home / 1,358,070.34-2,038,062.78-638,444.90

Finding the Fourth Proportional to 1,358,070.34, 2,038,062.78 and 638,444.90

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Solution

The fourth proportional to 1,358,070.34, 2,038,062.78 and 638,444.90 is: 958,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,070.34 : 2,038,062.78 = 638,444.90 : x
  2. Step 2: Convert to fraction form
    1,358,070.34/2,038,062.78 = 638,444.90/x
  3. Step 3: Cross multiply
    1,358,070.34x = 2,038,062.78 × 638,444.90
  4. Step 4: Simplify right side
    1,358,070.34x = 1,301,190,787,770.82
  5. Step 5: Solve for x
    x = 1,301,190,787,770.82/1,358,070.34
  6. Step 6: Final answer
    x = 958,117.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.